Lemon air freshener



FIG. 1 is a perspective view of a lemon air freshener embodying my design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left end elevational view thereof; and,

FIG. 7 is a right end elevational view thereof. 

The ornamental design for a lemon air freshener, as shown. 